Dr. Mark Evan Warlen, MD

  • San Diego, CA
  • Ophthalmologist
NPI1518922178PAC ID8921110743
Medicare services, 2024
2,831
Medicare patients, 2024
1,023
Part D claims, 2024
2,023
MIPS score, 2024
22
Industry payments
$590
Practice address
3720 3rd Ave, San Diego, CA 92103
Practice phone
Call (619) 298-7221
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Mark Evan Warlen

San Diego, California

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Dr. Mark Evan Warlen is an ophthalmologist in San Diego, California

Dr. Warlen practices at Mark Evan Warlen in San Diego, California.

Dr. Warlen's NPI, 1518922178, was assigned on April 18, 2006. Dr. Warlen graduated from Baylor College Of Medicine in 1992. Dr. Warlen's California license number on file is A52492.

NPI and contact details
Medicare PAC ID
8921110743
NPI enumeration date
April 18, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(619) 298-7221
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
60
Medical school graduation
1992

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Mark Evan Warlen practices at Mark Evan Warlen in San Diego, California

Dr. Warlen's primary practice is Mark Evan Warlen, at 3720 3rd Ave, San Diego, CA 92103 in San Diego County. The practice phone is (619) 298-7221.

  • Mark Evan Warlen
    3720 3rd Ave, San Diego, CA 92103 · San Diego CountyPhone(619) 298-7221

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Mark Evan Warlen is affiliated with 1 site of care

Dr. Warlen's primary practice is Mark Evan Warlen in San Diego, California.

Mark Evan WarlenSan Diego, CaliforniaPrimary

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Dr. Mark Evan Warlen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Warlen practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mark Evan WarlenAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Mark Evan Warlen is one of 2,621 ophthalmologists in California

Ophthalmology is Dr. Warlen's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Warlen is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Warlen's licenses on file in 3 states: California, Louisiana and Alabama.

Specialties and state licenses

  • Ophthalmology, CaliforniaPrimaryLicense A52492 · 1993 to 2025 · taxonomy 207W00000X
  • Louisiana license1993 to 1996
  • Alabama license1994 to 1995

Clinical focus

Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, cold sores or genital herpes, conjunctivitis, dry eye, eye infection or inflammation and eyelid inflammation among the conditions Dr. Warlen treats.

Ophthalmologists near Dr. Warlen

Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Mark Evan Warlen billed Medicare for 2,831 services in 2024

CMS data shows 2,831 Medicare services from Dr. Warlen across 11 procedure codes in 2024, for 1,023 Medicare patients. Medicare paid $196,626 for them.

Medicare services, 20242,831
Medicare patients1,023
Paid by Medicare$196,626
Procedure codes11

Dr. Warlen's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 2,3272024: 2,66515%
Surgery
2023: 1172024: 1097%
Imaging
2023: 602024: 575%

Where Dr. Warlen's Medicare services took place, 2024

  • In an office2,74897%
  • In a facility833%

Dr. Warlen compared with the California median for ophthalmologists, 2024

  • Dr. Warlen
  • California median
Medicare services
2,831vs 1,0792.6 times
Medicare patients
1,023vs 4212.4 times
Part D claims
1,960vs 6183.2 times

Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.

Dr. Warlen's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Warlen

Need commercial claims for Dr. Warlen?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Warlen and other ophthalmologists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Mark Evan Warlen treated 1,023 Medicare patients in 2024, average age 76

CMS counts 1,023 Medicare patients who saw Dr. Warlen in 2024. The largest group is 75 to 84, with 450 patients. 69% of them have high cholesterol, and 65% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.09, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Warlen's median patient age at 76, with 53% women.

Medicare patients, 20241,023
Average age76
Average risk score1.09
Also on Medicaid7%

Dr. Warlen's Medicare patients by age, 2024

Dr. Warlen's Medicare patients by sex, 2024

  • Women56655%
  • Men45745%

Chronic conditions among Dr. Warlen's Medicare patients, 2024

  1. High cholesterol69%
  2. High blood pressure65%
  3. Arthritis40%
  4. Diabetes25%
  5. Ischemic heart disease25%
  6. Osteoporosis22%
  7. Anxiety21%
  8. Chronic kidney disease21%

Share of Medicare patients with each condition. A patient can have several.

Dr. Warlen's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 76

Patient panel by sex, all payers

  • Women53%
  • Men46%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Mark Evan Warlen wrote 2,023 Medicare Part D claims in 2024

In 2024, Dr. Warlen wrote 2,023 Medicare Part D claims for 518 patients. 51% of them were for generic drugs. CMS names the drug for 1,960 of them, across 25 drugs with 11 or more claims each, at $213,613 in total drug cost. In 2023, CMS named 2,128 claims across 22 drugs.

Part D claims, 20242,023
Drugs named by CMS25
Total drug cost$213,613
Part D patients518

Dr. Warlen's Part D claims by kind of drug, 2024

  • Generic1,033 claims51%
  • Brand-name990 claims49%

Dr. Warlen's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Warlen's Part D claims, 2024

  • Antibiotics1%29 of 2,023 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,1282024: 1,9608%

Drugs named by CMS: 25 in 2024, 22 in 2023.

See all prescribing by Dr. Warlen

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Mark Evan Warlen scored 22 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 22 out of 100 for Dr. Warlen for performance year 2024, reported individually. Dr. Warlen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 155 procedures of cataract surgery by Dr. Warlen, more than 80% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Warlen's MIPS scores, performance year 2024

  • 22of 100Final score
  • 0of 100Quality
  • 0of 100Improvement Activities
  • 75of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Warlen ranks in Medicare procedure volume

Cataract surgery
80th percentile155 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Mark Evan Warlen received $590 in industry payments from 2016 to 2025

CMS Open Payments shows 33 general payments to Dr. Warlen from 11 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 88% of the total. Alcon Laboratories Inc paid the most, $146.

General payments to Dr. Warlen by program year, 2016 to 2025

General payments to Dr. Warlen by kind, 2016 to 2025

$590in total
  • Food and beverage$51888%
  • Education$498%
  • Entertainment$234%

Companies that paid Dr. Warlen the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Warlen

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Mark Evan Warlen has 1 award and honors on record

Dmand AI lists 1 award for Dr. Warlen.

Awards and honors for Dr. Warlen

  1. Undated
    • AAO Fellow

Source: Dmand AI Professional Profile Data

Dr. Mark Evan Warlen graduated from Baylor College Of Medicine

Dr. Warlen graduated from Baylor College Of Medicine in 1992. Dr. Warlen is a member of AAO.

  1. Medical schoolBaylor College Of Medicine
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Dr. Mark Evan Warlen accepts plans from 22 insurance carriers

Dr. Warlen is in network with 22 carriers, including Aetna, Elevance and Humana. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

Plan types Dr. Warlen accepts, by number of carriers

  1. PPO13
  2. HMO11
  3. Medicare9
  4. POS9
  5. EPO4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Mark Evan Warlen's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Mark Evan Warlen

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Mark Evan Warlen's NPI number?

Dr. Mark Evan Warlen's NPI number is 1518922178. It was assigned on April 18, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Mark Evan Warlen?

Dr. Mark Evan Warlen is an ophthalmologist in San Diego, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Mark Evan Warlen practice?

Dr. Warlen practices at 3720 3rd Ave, San Diego, CA 92103. Dr. Warlen's primary practice is Mark Evan Warlen in San Diego, California.

What is Dr. Mark Evan Warlen's office phone number?

The practice phone on file for Dr. Warlen is (619) 298-7221.

What is Dr. Mark Evan Warlen's medical license number?

Dr. Warlen's California license number on file is A52492, one of the licenses on file in 3 states.

Which states has Dr. Mark Evan Warlen been licensed in?

Dmand AI has state licenses on file for Dr. Warlen in California (1993 to 2025), Louisiana (1993 to 1996) and Alabama (1994 to 1995).

Does Dr. Mark Evan Warlen accept Medicare?

Yes. CMS data shows Dr. Warlen billed Medicare for 2,831 services in 2024, and Dr. Warlen accepts Medicare assignment.

What is Dr. Mark Evan Warlen's MIPS score?

Dr. Warlen's MIPS final score for performance year 2024 is 22 out of 100, reported individually.

How many Medicare patients does Dr. Mark Evan Warlen see?

CMS counts 1,023 Medicare patients who saw Dr. Warlen in 2024, with an average age of 76.

Is Dr. Mark Evan Warlen board certified?

Yes. Dr. Warlen is board certified in ophthalmology by the American Board of Ophthalmology.

Show 6 more questionsShow fewer questions

What services does Dr. Mark Evan Warlen bill to Medicare?

In 2024, Dr. Warlen's most billed Medicare services were eye exam or test (92014), eye exam or test (92012) and eye exam or test (92133).

Where did Dr. Mark Evan Warlen go to medical school?

Dr. Warlen graduated from Baylor College Of Medicine in 1992.

What drugs does Dr. Mark Evan Warlen prescribe most?

In 2024 Medicare Part D data, Dr. Warlen's most prescribed drugs by claims were Latanoprost, Erythromycin and Brimonidine Tartrate.

Has Dr. Mark Evan Warlen received payments from drug or device companies?

CMS Open Payments shows $590 in general payments to Dr. Warlen from 11 companies from 2016 to 2025. The largest total came from Alcon Laboratories Inc.

How long has Dr. Mark Evan Warlen been practicing?

Dr. Warlen graduated from medical school in 1992, 34 years ago.

What insurance does Dr. Mark Evan Warlen accept?

Dr. Warlen is in network with 22 carriers, including Aetna, Elevance and Humana. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

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